Intrinsic charm contribution to the proton spin
- 10 August 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 60 (5) , 051502
- https://doi.org/10.1103/physrevd.60.051502
Abstract
The charm quark contribution to the first moment of is calculated using a heavy mass expansion of the divergence of the singlet axial vector current. It is shown to be small.
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